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Simplifying 15x2 + 1 + -1[6(x2 + -5) + 8] = 0 Reorder the terms: 15x2 + 1 + -1[6(-5 + x2) + 8] = 0 15x2 + 1 + -1[(-5 * 6 + x2 * 6) + 8] = 0 15x2 + 1 + -1[(-30 + 6x2) + 8] = 0 Reorder the terms: 15x2 + 1 + -1[-30 + 8 + 6x2] = 0 Combine like terms: -30 + 8 = -22 15x2 + 1 + -1[-22 + 6x2] = 0 15x2 + 1 + [-22 * -1 + 6x2 * -1] = 0 15x2 + 1 + [22 + -6x2] = 0 Reorder the terms: 1 + 22 + 15x2 + -6x2 = 0 Combine like terms: 1 + 22 = 23 23 + 15x2 + -6x2 = 0 Combine like terms: 15x2 + -6x2 = 9x2 23 + 9x2 = 0 Solving 23 + 9x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + 9x2 = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 9x2 = 0 + -23 9x2 = 0 + -23 Combine like terms: 0 + -23 = -23 9x2 = -23 Divide each side by '9'. x2 = -2.555555556 Simplifying x2 = -2.555555556 Reorder the terms: 2.555555556 + x2 = -2.555555556 + 2.555555556 Combine like terms: -2.555555556 + 2.555555556 = 0.000000000 2.555555556 + x2 = 0.000000000 The solution to this equation could not be determined.
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